trig

   x

   x

x

t = 0 rad (slider from 0 to 6.283185307179586, step 0.0080)
a = 1 (slider from -5 to 5, step 0.1)
b = 0.004999999999999893 (slider from -6.283 to 6.283185307179586, step 0.524)
A: (1; t)
B: (t, sin(a t + b))
e: log(sgn(y(B)) exp(1))
f: log(-sgn(y(B)) exp(1))
C: (f t, 0)
D: (e t, 0)
u = Vector((f x(B), 0), B)
T4: "sin (ax + b) = " + "sin (" + a + "x + " + b + ") = " + (sin(a t + b))
v = Vector(D, B)